<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>04demo</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
    v-text:<span v-text="msg"></span>
    v-html:<span v-html="msg"></span>
</div>
</body>
</html>